SPL Tokens and Transaction Signing: What Phantom Actually Approves on Solana
A common misconception is that installing a crypto wallet gives the wallet control over every token in an account. It does not. On Solana, a wallet such as Phantom is better understood as a key-management and transaction-approval interface: it helps you view assets, construct requests, and authorize messages with a private key. The Solana network, […]
A DAO Treasury Is Not Safe Just Because It Has Multiple Signers
The surprising part of a multi-signature wallet is that signing is usually the easy problem. The difficult problem is deciding who may act, under what conditions, with which limits, and how the organization recovers when a signer disappears or makes a mistake. A DAO treasury can have five people approving transactions and still be exposed […]
Cake Wallet XMR, Monero, and Bitcoin: What the Wallet Can—and Cannot—Protect
A common misconception is that a privacy wallet makes every cryptocurrency transaction private. It does not. A wallet is better understood as an interface and a key-management system: it helps you control funds, construct transactions, and observe balances. The privacy properties of those transactions still depend heavily on the underlying network. This distinction matters when […]
WalletConnect and DeFi Wallet Security: What Rabby Actually Protects
The most dangerous transaction in DeFi is not always the obviously malicious one. It may be the routine-looking approval, bridge transfer, or signature request that appears after a familiar connection flow. That is the counterintuitive security problem: connecting a wallet to a decentralized application is usually only the beginning of the risk, not the event […]